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108066740 = 22543125659
BaseRepresentation
bin1100111000011…
…11011110110100
321112100100200212
412130033132310
5210131113430
614420124552
72451360245
oct634173664
9245310625
10108066740
1156001161
1230236758
1319509422
14104d0ccc
159749b95
hex670f7b4

108066740 has 24 divisors (see below), whose sum is σ = 232219680. Its totient is φ = 42221088.

The previous prime is 108066733. The next prime is 108066743. The reversal of 108066740 is 47660801.

It is a junction number, because it is equal to n+sod(n) for n = 108066697 and 108066706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108066743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61970 + ... + 63689.

It is an arithmetic number, because the mean of its divisors is an integer number (9675820).

Almost surely, 2108066740 is an apocalyptic number.

108066740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108066740 is an abundant number, since it is smaller than the sum of its proper divisors (124152940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108066740 is a wasteful number, since it uses less digits than its factorization.

108066740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125711 (or 125709 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 108066740 is about 10395.5153792393. The cubic root of 108066740 is about 476.3183908967.

The spelling of 108066740 in words is "one hundred eight million, sixty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 125659 251318 502636 628295 1256590 2513180 5403337 10806674 21613348 27016685 54033370 108066740